//
function setVisibility(id, visibility) {
document.getElementById(id).style.display = visibility;
}
function HideContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
}
//
function cambiar(lenguaje){
  document.getElementById('sub2').style.display= (lenguaje=='sub2')? 'inline' : 'none';
  document.getElementById('sub3').style.display= (lenguaje=='sub3')? 'inline' : 'none';
}
//
function cleartext() 
{ 
document.enviaramigo.comentario.value = "";
} 
function clearemail() 
{ 
document.enviaramigo.email.value = "";
}
//
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}